Gregorian; Roubik
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gregorian; Roubik.The latest application filed is for "systems, circuits and methods for an analog echo canceller with interpolating output".
- Gregorian; Roubik - Saratoga CA US
- Gregorian; Roubik - San Jose CA
- Gregorian; Roubik - Santa Clara CA
- Gregorian; Roubik - Sunnyvale CA
| Patent | Date |
|---|---|
| Analog echo canceller with interpolating output Grant 8,917,582 - Gregorian , et al. December 23, 2 | 2014-12-23 |
| Systems, circuits and methods for an analog echo canceller with interpolating output App 20110044216 - Gregorian; Roubik ; et al. | 2011-02-24 |
| Analog Echo Canceller with Interpolating Output App 20110044397 - Gregorian; Roubik ; et al. | 2011-02-24 |
| Analog echo canceller with filter banks Grant 7,843,859 - Gregorian , et al. November 30, 2 | 2010-11-30 |
| Analog echo canceller with interpolating output Grant 7,839,758 - Gregorian , et al. November 23, 2 | 2010-11-23 |
| Interleaved pulse-extended phase detector Grant 7,127,021 - Chen , et al. October 24, 2 | 2006-10-24 |
| Frequency compensation of wide-band resistive gain amplifier Grant 6,906,593 - Fotouhi , et al. June 14, 2 | 2005-06-14 |
| Frequency Compensation Of Wide-band Resistive Gain Amplifier App 20050073364 - Fotouhi, Bahram ; et al. | 2005-04-07 |
| Clock recovery circuit Grant 6,798,857 - Gregorian , et al. September 28, 2 | 2004-09-28 |
| Interleaved pulse-extended phase detector App 20040012414 - Chen, Shin Chung ; et al. | 2004-01-22 |
| Clock and data recovery circuit for return-to-zero data App 20030190001 - Gregorian, Roubik ; et al. | 2003-10-09 |
| Automatic Frequency Rate Switch App 20020109533 - Gregorian, Roubik ; et al. | 2002-08-15 |
| Digitally-controlled line build-out circuit App 20020097808 - Gregorian, Roubik ; et al. | 2002-07-25 |
| Clock recovery circuit App 20020067788 - Gregorian, Roubik ; et al. | 2002-06-06 |
| Digital jitter attenuator using an accumulated count of phase differences Grant 6,351,165 - Gregorian , et al. February 26, 2 | 2002-02-26 |
| Voltage regulated charge pump Grant 6,300,820 - Fotouhi , et al. October 9, 2 | 2001-10-09 |
| Slew rate limited output driver Grant 6,031,389 - Fotouhi , et al. February 29, 2 | 2000-02-29 |
| Negative charge pump circuit Grant 5,914,632 - Fotouhi , et al. June 22, 1 | 1999-06-22 |
| High resolution charge-redistribution A/D converter Grant 5,258,761 - Fotouhi , et al. November 2, 1 | 1993-11-02 |
| Exponential gain control for nonlinear analog-to-digital converter Grant 4,975,701 - Babanezhad , et al. December 4, 1 | 1990-12-04 |
| Gain amplifier Grant 4,555,668 - Gregorian , et al. November 26, 1 | 1985-11-26 |
| Multiplier/adder circuit Grant 4,521,907 - Amir , et al. June 4, 1 | 1985-06-04 |
| Multiplier/adder circuit Grant 4,422,155 - Amir , et al. December 20, 1 | 1983-12-20 |
| Switched capacitor gain stage with offset and switch feedthrough cancellation scheme Grant 4,404,525 - Amir , et al. September 13, 1 | 1983-09-13 |
| Offset compensation for switched capacitor integrators Grant 4,393,351 - Gregorian , et al. July 12, 1 | 1983-07-12 |
| Switched-capacitor interolation filter Grant 4,331,894 - Gregorian , et al. May 25, 1 | 1982-05-25 |
| Round off correction logic for modified Booth's algorithm Grant 4,229,800 - Gregorian , et al. October 21, 1 | 1980-10-21 |
| High pass switched capacitor filter section Grant 4,210,872 - Gregorian July 1, 1 | 1980-07-01 |
| Switched capacitor elliptic filter Grant 4,179,665 - Gregorian December 18, 1 | 1979-12-18 |
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